The Mystery of Dark Matter: Vera Rubin's Groundbreaking Discovery
Vera Rubin's pioneering observations in the 1970s revealed that galaxies rotate in a way that defies explanation by visible matter alone, leading to the hypoth…
### What Makes Up the Universe: Dark Energy, Matter, and More
The universe is primarily composed of dark energy, dark matter, and visible matter, each playing a crucial role in its structure and behavior. Understanding th…